Abstract

A zoom lens originally designed before the advent of large computers was redesigned using a large computer to determine how much improvement could be achieved with a modern lens design program.

© 1970 Optical Society of America

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References

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  1. D. S. Grey, J. Opt. Soc. Amer. 53, 672, 677 (1963).
    [Crossref]

1963 (1)

D. S. Grey, J. Opt. Soc. Amer. 53, 672, 677 (1963).
[Crossref]

Grey, D. S.

D. S. Grey, J. Opt. Soc. Amer. 53, 672, 677 (1963).
[Crossref]

J. Opt. Soc. Amer. (1)

D. S. Grey, J. Opt. Soc. Amer. 53, 672, 677 (1963).
[Crossref]

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Figures (13)

Fig. 1
Fig. 1

Starting lens.

Fig. 2
Fig. 2

Starting lens ray plots.

Fig. 3
Fig. 3

Spot diagrams of starting lens. Symbols: + = d, × = F, Δ = C.

Fig. 4
Fig. 4

Starting lens: (a) wide-angle MTF; (b) intermediate MTF; (c) telephoto MTF.

Fig. 5
Fig. 5

Lens resulting from first run.

Fig. 6
Fig. 6

Spot diagrams of first run. Symbols: + = d, × = F, Δ = C.

Fig. 7
Fig. 7

(a) First run wide-angle MTF; (b) first run intermediate MTF; (c) first run telephoto MTF.

Fig. 8
Fig. 8

Final lens.

Fig. 9
Fig. 9

Variation of lateral color with zoom position.

Fig. 10
Fig. 10

Image displacement of final lens.

Fig. 11
Fig. 11

Spot diagrams of final lens. Symbols: + = d, × = F, Δ = C.

Fig. 12
Fig. 12

(a) Final lens wide-angle MTF; (b) final lens intermediate MTF; (c) final lens telephoto MTF.

Fig. 13
Fig. 13

Final lens ray plots.

Tables (3)

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Table I Ray Coordinates for Lens Evaluation and Optimization

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Table II Starting Lens Construction Data

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Table III Final Lens Construction Data

Equations (1)

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D = ω 0 F A W 2 d a d θ d ω .

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